查询词典 gamma radiation

The latest analysis of the universe's uniform backdrop of gamma radiation now carves a 10 GeV hole in the low end of that range, Kevork Abazajian, a particle cosmologist at the University of Maryland, College Park, reported here this Sunday at the oddly timed April Meeting of the American Physical Society.

Kevork Abazajian在本星期日的美国物理学会上说，有关宇宙伽马辐射背景的最新分析表明，在辐射背景的最低处出现了一个100亿电子伏的空洞。

This gamma radiation is absorbed by atoms inside the Sun to

这种伽玛射线被太阳内的原子所

No, you didn't get bitten by a radioactive spider or exposed to gamma radiation.

不，你没有得到放射性蜘蛛咬伤或伽玛辐射暴露。

This paper also includes pilot study the radon and gamma radiation in some new houses of Guangzhou.

论文还对广州市部分新建住房室内氡浓度和γ放射性水平进行了调查。

The nuclear energy is released at the Sun's center as high-energy gamma radiation

核能在太阳的核心被释放为高能的伽马射线。

Nuclear energy is released at the Sun's center as high-energy gamma radiation, a

核能在太阳的核心被释放为高能的伽马射线。

OBJECTIVE: To study the effects of various doses of gamma radiation on the biomechanical properties of rat bone and the protective role of dry ice and thiourea.

目的：探讨不同剂量gamma射线辐照对大鼠骨生物力学的影响及干冰低温和自由基清除剂-硫脲的保护作用。

Based on the liquid water content and optical visibility, the method for determining the parameters of gamma drop size distribution model of fog and clouds are developed, the drop size distributions for advection and radiation fog are obtained with empirical relations of the liquid water content and the visibility, the characteristics of drop size distribution for different kinds of fog are analyzed and discussed.

提出了利用云雾含水量和能见度确定gamma云雾滴尺寸分布的方法，利用雾的含水量和能见度的经验关系，得到了辐射雾和平流雾的雾滴尺寸分布模型，并对不同类型雾的尺寸分布特征进行了分析和讨论。

Paired ionization chambers used for the dosimetry of mixed gamma-neutron field in reactor, consist of a tissue-equivalent chamber which responds to both neutron and gamma radiation, and a nonhydrogenous chamber which is relatively insensitive to neutron.

采用对中子和γ辐射具有相似灵敏度的组织等效电离室与对中子不太灵敏而对γ辐射灵敏的无氢电离室配对，组成双电离室探测器，测量反应堆混合场中的中子和γ剂量率，具有较高的测量精度。

Based on Gamma distribution model of fog drip size derived from the empirical relation of visibility and water content for advection and radiation fogs, the relations between radar reflectivity factor and fog visibility or water content are proposed.

利用平流雾与辐射雾的能见度与含水量的经验公式导出的 Gamma 雾滴谱分布，得到了平流雾和辐射雾的雷达反射因子 Z与雾的能见度、含水量的关系式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。